Finding the Fourth Proportional to 190,914.74, 263,446.92 and 110,347.49
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Solution
The fourth proportional to 190,914.74, 263,446.92 and 110,347.49 is: 152,270.62
Step by Step Solution
- Step 1: Write the proportion equation
190,914.74 : 263,446.92 = 110,347.49 : x - Step 2: Convert to fraction form
190,914.74/263,446.92 = 110,347.49/x - Step 3: Cross multiply
190,914.74x = 263,446.92 × 110,347.49 - Step 4: Simplify right side
190,914.74x = 29,070,705,053.00 - Step 5: Solve for x
x = 29,070,705,053.00/190,914.74 - Step 6: Final answer
x = 152,270.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.